Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 565 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/browser.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/browser.js
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-poisoned-done.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-poisoned-done.js
new file mode 100644
index 0000000000..bab1bf956d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-poisoned-done.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will reject promise if getter `done` abrupt completes
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let throw be GetMethod(syncIterator, "throw").
+  ...
+  8. Let throwResult be Call(throw, syncIterator, « value »).
+  ...
+  11. Let throwDone be IteratorComplete(throwResult).
+  12. IfAbruptRejectPromise(throwDone, promiseCapability).
+  13. Let throwValue be IteratorValue(throwResult).
+  14. IfAbruptRejectPromise(throwValue, promiseCapability).
+  ...
+  20. Return promiseCapability.[[Promise]].
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Catch me.");
+
+var obj = {
+  [Symbol.iterator]() {
+    return {
+      next() {
+        return { value: 1, done: false };
+      },
+      throw() {
+        return {
+          get done() {
+            throw thrownError;
+          },
+          value: 1
+        };
+      }
+    };
+  }
+};
+
+async function* asyncg() {
+  yield* obj;
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+
+  iter.throw().then(
+    function (result) {
+      throw new Test262Error("Promise should be rejected, got: " + result.value);
+    },
+    function (err) {
+      assert.sameValue(err, thrownError, "Promise should be rejected with thrown error");
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+
+}).catch($DONE);
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-poisoned-value.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-poisoned-value.js
new file mode 100644
index 0000000000..9745df52c1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-poisoned-value.js
@@ -0,0 +1,70 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will reject promise if getter `value` abrupt completes
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let throw be GetMethod(syncIterator, "throw").
+  ...
+  8. Let throwResult be Call(throw, syncIterator, « value »).
+  ...
+  11. Let throwDone be IteratorComplete(throwResult).
+  12. IfAbruptRejectPromise(throwDone, promiseCapability).
+  13. Let throwValue be IteratorValue(throwResult).
+  14. IfAbruptRejectPromise(throwValue, promiseCapability).
+  ...
+  20. Return promiseCapability.[[Promise]].
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Catch me.");
+
+var obj = {
+  [Symbol.iterator]() {
+    return {
+      next() {
+        return { value: 1, done: false };
+      },
+      throw() {
+        return {
+          get value() {
+            throw thrownError;
+          },
+          done: false
+        };
+      }
+    }
+  }
+};
+
+async function* asyncg() {
+  yield* obj;
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+
+  iter.throw().then(
+    function (result) {
+      throw new Test262Error("Promise should be rejected, got: " + result.value);
+    },
+    function (err) {
+      assert.sameValue(err, thrownError, "Promise should be rejected with thrown error");
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+
+}).catch($DONE);
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-unwrap-promise.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-unwrap-promise.js
new file mode 100644
index 0000000000..9542254c75
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-unwrap-promise.js
@@ -0,0 +1,66 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will unwrap a Promise value return by the sync iterator
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let throw be GetMethod(syncIterator, "throw").
+  ...
+  17. Let steps be the algorithm steps defined in Async-from-Sync Iterator Value Unwrap Functions.
+  ...
+  20. Return promiseCapability.[[Promise]].
+
+  Async-from-Sync Iterator Value Unwrap Functions
+  An async-from-sync iterator value unwrap function is an anonymous built-in
+  function that is used by methods of %AsyncFromSyncIteratorPrototype% when
+  processing the value field of an IteratorResult object, in order to wait for
+  its value if it is a promise and re-package the result in a new "unwrapped"
+  IteratorResult object. Each async iterator value unwrap function has a
+  [[Done]] internal slot.
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Don't catch me.")
+
+var obj = {
+  [Symbol.iterator]() {
+    return {
+      next() {
+        return { value: 1, done: false };
+      },
+      throw() {
+        return {
+          value: Promise.resolve(42),
+          done: true
+        };
+      }
+    };
+  }
+};
+
+async function* asyncg() {
+  return yield* obj;
+}
+
+let iter = asyncg();
+
+iter.next().then(function (result) {
+  iter.throw(thrownError).then(
+    function (result) {
+      assert.sameValue(result.value, 42, "Result.value should be unwrapped, got: " + result.value);
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+}).catch($DONE);
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result.js
new file mode 100644
index 0000000000..90b02da8c2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result.js
@@ -0,0 +1,60 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will call default sync throw
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let throw be GetMethod(syncIterator, "throw").
+  ...
+  8. Let throwResult be Call(throw, syncIterator, « value »)
+  9. IfAbruptRejectPromise(throwResult, promiseCapability).
+  ...
+  22. Return promiseCapability.[[Promise]].
+
+  Generator.prototype.throw ( exception )
+  1. Let g be the this value.
+  2. Let C be Completion{[[Type]]: throw, [[Value]]: exception, [[Target]]: empty}.
+  3. Return ? GeneratorResumeAbrupt(g, C).
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Catch me.")
+
+function* g() {
+  yield 42;
+  throw new Test262Error('throw closes iter');
+  yield 43;
+}
+
+async function* asyncg() {
+  yield* g();
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+
+  // throw will call sync generator prototype built-in function throw
+  iter.throw(thrownError).then(
+    function(result) {
+      throw new Test262Error('throw should cause rejection of promise');
+    },
+    function(err) {
+      assert.sameValue(err, thrownError, "promise should be reject with custom error, got: " + err)
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+
+}).catch($DONE);
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/poisoned-get-throw.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/poisoned-get-throw.js
new file mode 100644
index 0000000000..5a87c2e2ba
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/poisoned-get-throw.js
@@ -0,0 +1,59 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will return rejected promise if getter of `throw` abrupt completes
+info: |
+  %AsyncFromSyncIteratorPrototype%.return ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let return be GetMethod(syncIterator, "throw").
+  6. IfAbruptRejectPromise(throw, promiseCapability).
+  ...
+  22. Return promiseCapability.[[Promise]].
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Catch me.");
+
+var obj = {
+  [Symbol.iterator]() {
+    return {
+      next() {
+        return { value: 1, done: false };
+      },
+      get throw() {
+        throw thrownError;
+      }
+    };
+  }
+};
+
+async function* asyncg() {
+  yield* obj;
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+
+  iter.throw().then(
+    function (result) {
+      throw new Test262Error("Promise should be rejected, got: " + result.value);
+    },
+    function (err) {
+      assert.sameValue(err, thrownError, "Promise should be rejected with thrown error");
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+
+}).catch($DONE);
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/poisoned-throw.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/poisoned-throw.js
new file mode 100644
index 0000000000..15656dbff8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/poisoned-throw.js
@@ -0,0 +1,61 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will return rejected promise if getter of `throw` abrupt completes
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let throw be GetMethod(syncIterator, "throw").
+  6. IfAbruptRejectPromise(throw, promiseCapability).
+  ...
+  8. Let throwResult be Call(throw, syncIterator, « value »).
+  9. IfAbruptRejectPromise(throwResult, promiseCapability).
+  ...
+  22. Return promiseCapability.[[Promise]].
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Catch me.");
+
+var obj = {
+  [Symbol.iterator]() {
+    return {
+      next() {
+        return { value: 1, done: false };
+      },
+      throw() {
+        throw thrownError;
+      }
+    };
+  }
+};
+
+async function* asyncg() {
+  yield* obj;
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+
+  iter.throw().then(
+    function (result) {
+      throw new Test262Error("Promise should be rejected, got: " + result.value);
+    },
+    function (err) {
+      assert.sameValue(err, thrownError, "Promise should be rejected with thrown error");
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+}).catch($DONE);
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/result-object-error.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/result-object-error.js
new file mode 100644
index 0000000000..f59d06cc8a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/result-object-error.js
@@ -0,0 +1,65 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will return rejected promise if getter of `throw` abrupt completes
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let throw be GetMethod(syncIterator, "throw").
+  6. IfAbruptRejectPromise(thow, promiseCapability).
+  ...
+  8. Let throwResult be Call(throw, syncIterator, « value »).
+  ...
+  10. If Type(throwResult) is not Object,
+    a. Perform ! Call(promiseCapability.[[Reject]], undefined, « a TypeError exception »).
+    b. Return promiseCapability.[[Promise]].
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var thrownError = new Error("Don't catch me.")
+
+var obj = {
+  [Symbol.iterator]() {
+    return {
+      next() {
+        return { value: 1, done: false };
+      },
+      throw() {
+        return 1;
+      }
+    };
+  }
+};
+
+async function* asyncg() {
+  yield* obj;
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+
+  iter.throw(thrownError).then(
+    function (result) {
+      throw new Test262Error("Promise should be rejected, got: " + result.value);
+    },
+    function (err) {
+      let typeerror = err instanceof TypeError;
+      assert(typeerror, "Expect TypeError, got: " + err);
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+
+}).catch($DONE);
+
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/shell.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/shell.js
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-null.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-null.js
new file mode 100644
index 0000000000..9846e59b9a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-null.js
@@ -0,0 +1,60 @@
+// |reftest| async
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: >
+  If syncIterator's "throw" method is `null`,
+  a Promise rejected with provided value is returned.
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+
+  [...]
+  5. Let throw be GetMethod(syncIterator, "throw").
+  [...]
+  7. If throw is undefined, then
+    a. Perform ! Call(promiseCapability.[[Reject]], undefined, « value »).
+    b. Return promiseCapability.[[Promise]].
+
+  GetMethod ( V, P )
+
+  [...]
+  2. Let func be ? GetV(V, P).
+  3. If func is either undefined or null, return undefined.
+flags: [async]
+features: [async-iteration]
+---*/
+
+var throwGets = 0;
+var syncIterator = {
+  [Symbol.iterator]() {
+    return this;
+  },
+  next() {
+    return {value: 1, done: false};
+  },
+  get throw() {
+    throwGets += 1;
+    return null;
+  },
+};
+
+async function* asyncGenerator() {
+  yield* syncIterator;
+}
+
+var asyncIterator = asyncGenerator();
+var thrownError = { name: "err" };
+
+asyncIterator.next().then(function() {
+  return asyncIterator.throw(thrownError);
+}).then(function(result) {
+  throw new Test262Error("Promise should be rejected, got: " + result.value);
+}, function(err) {
+  assert.sameValue(err, thrownError);
+  return asyncIterator.next().then(function(result) {
+    assert.sameValue(result.value, undefined);
+    assert.sameValue(result.done, true);
+  });
+}).then($DONE, $DONE);
diff --git a/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined.js b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined.js
new file mode 100644
index 0000000000..a2f6c4c65f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined.js
@@ -0,0 +1,54 @@
+// |reftest| async
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%asyncfromsynciteratorprototype%.throw
+description: throw() will return rejected promise if sync `throw` undefined
+info: |
+  %AsyncFromSyncIteratorPrototype%.throw ( value )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  5. Let return be GetMethod(syncIterator, "throw").
+  6. IfAbruptRejectPromise(throw, promiseCapability).
+  7. If throw is undefined, then
+    a. Perform ! Call(promiseCapability.[[Reject]], undefined, « value »).
+    b. Return promiseCapability.[[Promise]].
+
+flags: [async]
+features: [async-iteration]
+---*/
+
+var obj = {
+  [Symbol.iterator]() {
+    return {
+      next() {
+        return { value: 1, done: false };
+      }
+    };
+  }
+};
+
+async function* asyncg() {
+  yield* obj;
+}
+
+var iter = asyncg();
+
+iter.next().then(function(result) {
+  iter.throw().then(
+    function (result) {
+      throw new Test262Error("Promise should be rejected, got: " + result.value);
+    },
+    function (err) {
+      assert.sameValue(err, undefined, "Promise should be rejected with undefined");
+
+      iter.next().then(({ done, value }) => {
+        assert.sameValue(done, true, 'the iterator is completed');
+        assert.sameValue(value, undefined, 'value is undefined');
+      }).then($DONE, $DONE);
+    }
+  ).catch($DONE);
+
+}).catch($DONE);